EQ-3 HomeMatic Informations techniques télécharger pdf (Page 48)

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18 Activating frost protection

operation (radiator switched

off)

If the room does not need to be heated, the valve can

be closed. The valve is only opened if there is a risk of

frost.However,thecalcicationprotectionfunctionis

still active.

• Press the Auto/Manu button (

), until Manu appears

in the display.

• In manual mode (Manu), turn the handwheel an-

ticlockwise until „OFF“ is displayed.

• To save changes and leave manual mode, press the

Auto/Manu button (

) again.

19 Additional functions in

connection with CCU

If the radiator thermostat is used in connection with a

HomeMatic Central Control Unit, additional functions

can be used via the software interface WebUI (You

willndfurtherinformationinthedownloadareaofthe

website www.homematic.com):

19.1 Setting valve protection function

The radiator thermostat can be protected against val-

vecalcicationautomatically.Therefore,anautomatic

routine descaling is performed once a week. The valve

completely opens and closes once. This avoids that

thevalvepingetsstuckduetocalcication.During

this period, operation is not possbile. Routine desca-

ling is factory-set to run once a week on Saturdays at

11:00 h.

In connection with the HomeMatic Central Con-

trol Unit the time for the routine descaling can

individually be adjusted.

“CAL” is displayed during descaling.

19.2 Switching time/date display

The factory setting will show the time on the display.

The display of date and time can be switched via the

WebUI.

19.3 Maximum valve opening

A maximum valve opening of 100% is set in the factory

settings. The maximum valve opening position (0-100

%) can be adjusted via the WebUI.

19.4 Maximum setpoint temperature

A maximum setpoint temperature of 30.5°C is set in

the factory settings. The maximum setpoint tempera-

ture (15.0 to 30.5°C) can be adjusted via the WebUI.

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EQ-3 HomeMatic Informations techniques Page 48

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